2014 YAMAHA TTR50 warning

PERIODIC MAINTENANCE AND ADJUSTMENT
7-14
7
WARNING
EWA15542
Have a Yamaha d ealer replace
excessively worn tires. Operat-
in g the motorcycle with exces-
sively worn tires decreases
ri din g sta bility an d can lead to
loss of control.
 The replacement of all wheel-
and b rake-relate d parts, inclu d-
in g the tires, shoul d b e left to a
Yamaha dealer, who has the
necessary professional knowl-
e dge an d experience.
 It is not recommen ded to patch
a puncture d tu be. If unavoid -
a b le, however, patch the tu be very carefully an
d replace it as
soon as possi ble with a hi gh-
quality pro duct.
 Ride conservatively after
chan gin g a tire since the tire
must seat itself on the rim prop-
erly. Failure to allow proper
seatin g may cause tire failure,
which may result in damag e to
the motorcycle an d injury to the
ri der.
EAU21944
Spoke wheels
WARNING
EWA10611
The wheels on this mod el are not
d esi gne d for use with tu beless tires.
Do not attempt to use tu beless tires
on this mo del.To maximize the performance, durabil-
ity, and safe operation of your motor-
cycle, note the following points
regarding the specified wheels.
 The wheel rims should be
checked for cracks, bends, warp-
age or other damage, and the
spokes for looseness or damage
before each ride. If any damage is
found, have a Yamaha dealer re-
place the wheel. Do not attempt
even the smallest repair to the
wheel. A deformed or cracked
wheel must be replaced.
 The wheel should be balanced
whenever either the tire or wheel
has been changed or replaced. An
unbalanced wheel can result in
poor performance, adverse han-
dling characteristics, and a short-
ened tire life.
Front tire:
Size:
2.50-10 4PR
Manufacturer/model:
CHENG SHIN/C183A
Rear tire: Size:
2.50-10 4PR
Manufacturer/model: CHENG SHIN/C183A
U2CJ81E0.book Page 14 Wednesday, July 10, 2013 3:54 PM

PERIODIC MAINTENANCE AND ADJUSTMENT
7-16
7
WARNING
EWA10651
If proper adjustment cannot b e ob-
taine d as d escri bed , have a Yamaha
d ealer make this ad justment.
EAU44672
Adjustin g the brake pe dal free
playThe brake pedal free play should mea-
sure 10.0–20.0 mm (0.39–0.79 in) at
the brake pedal end as shown. Period-
ically check the brake pedal free play
and, if necessary, adjust it as follows.
To increase the brake pedal free play,
turn the brake pedal free play adjusting
nut at the brake rod in direction (a). To
decrease the brake pedal free play,
turn the adjusting nut in direction (b).
WARNING
EWA14821
 After a djustin g the drive chain
slack or removin g an d installin g
the rear wheel, always check
the brake ped al free play.
 If proper a djustment cannot be
o btaine d as descri bed , have a
Yamaha dealer make this ad -
justment.
1. Brake lever free play adjusting nut
1
(a) (b)
1. Brake pedal free play
1
1. Brake pedal free play adjusting nut
(b)
(a)
1
U2CJ81E0.book Page 16 Wednesday, July 10, 2013 3:54 PM

PERIODIC MAINTENANCE AND ADJUSTMENT
7-20
7
EAU23098
Checking an d lu bricatin g the
ca blesThe operation of all control cables and
the condition of the cables should be
checked before each ride, and the ca-
bles and cable ends should be lubri-
cated if necessary. If a cable is
damaged or does not move smoothly,
have a Yamaha dealer check or re-
place it. WARNING! Dama ge to the
outer housin g of cab les may result
in internal rustin g an d cause inter-
ference with ca ble movement. Re-
place damag ed cab les as soon as
possi ble to prevent unsafe con di-
tions.
[EWA10712] EAU23115
Checkin
g an d lu bricatin g the
throttle grip an d ca bleThe operation of the throttle grip
should be checked before each ride. In
addition, the cable should be lubricat-
ed by a Yamaha dealer at the intervals
specified in the periodic maintenance
chart.
The throttle cable is equipped with a
rubber cover. Make sure that the cover
is securely installed. Even though the
cover is installed correctly, it does not
completely protect the cable from wa-
ter entry. Therefore, use care not to
pour water directly onto the cover or
cable when washing the vehicle. If the
cable or cover becomes dirty, wipe
clean with a moist cloth.
EAU43623
Checkin g an d lu bricatin g the
b rake leverThe operation of the brake lever should
be checked before each ride, and the
lever pivot should be lubricated if nec-
essary.
Recommen ded lu bricant:
Yamaha cable lubricant or other
suitable cable lubricant
Recommen ded lu bricant:
Lithium-soap-based grease
U2CJ81E0.book Page 20 Wednesday, July 10, 2013 3:54 PM

PERIODIC MAINTENANCE AND ADJUSTMENT
7-21
7
EAU23184
Checking an d lu bricatin g the
b rake pe dalThe operation of the brake pedal
should be checked before each ride,
and the pedal pivot should be lubricat-
ed if necessary.
EAU23203
Checkin g an d lu bricatin g the
si destan dThe operation of the sidestand should
be checked before each ride, and the
sidestand pivot and metal-to-metal
contact surfaces should be lubricated
if necessary.
WARNING
EWA10732
If the si destan d d oes not move up
an d d own smoothly, have a Yamaha
d ealer check or repair it. Otherwise,
the si destan d coul d contact the
g roun d an d d istract the operator, re-
sultin g in a possi ble loss of control.
EAUM1653
Lub ricatin g the swin garm piv-
otsThe swingarm pivots must be lubricat-
ed by a Yamaha dealer at the intervals
specified in the periodic maintenance
and lubrication chart.
Recommen ded lu bricant:
Lithium-soap-based grease
Recommen ded lu bricant:
Lithium-soap-based grease
Recommen ded lu bricant:
Lithium-soap-based grease
U2CJ81E0.book Page 21 Wednesday, July 10, 2013 3:54 PM

PERIODIC MAINTENANCE AND ADJUSTMENT
7-22
7
EAU42082
Checking the front forkThe condition and operation of the
front fork must be checked as follows
at the intervals specified in the periodic
maintenance and lubrication chart.
To check the con dition
Check the inner tubes for scratches
and damage.
To check the operation 1. Place the vehicle on a level sur- face and hold it in an upright posi-
tion. WARNING! To avoi d injury,
securely support the vehicle so
there is no dan ger of it fallin g
over.
[EWA10752]
2. While applying the front brake, push down hard on the handle-
bars several times to check if the
front fork compresses and re-
bounds smoothly.
NOTICE
ECA10591
If any damag e is foun d or the front
fork does not operate smoothly,
have a Yamaha d ealer check or re-
pair it.
EAU23284
Checkin g the steerin gWorn or loose steering bearings may
cause danger. Therefore, the operation
of the steering must be checked as fol-
lows at the intervals specified in the
periodic maintenance and lubrication
chart.
1. Place a stand under the engine to raise the front wheel off the
ground. (See page 7-26 for more
information.) WARNING! To
avoi d injury, securely support
the vehicle so there is no dan ger
of it fallin g over.
[EWA10752]
2. Hold the lower ends of the front
fork legs and try to move them for-
ward and backward. If any free
play can be felt, have a Yamaha
dealer check or repair the steer-
ing.
U2CJ81E0.book Page 22 Wednesday, July 10, 2013 3:54 PM

PERIODIC MAINTENANCE AND ADJUSTMENT
7-23
7
EAU23292
Checking the wheel b earingsThe front and rear wheel bearings must
be checked at the intervals specified in
the periodic maintenance and lubrica-
tion chart. If there is play in the wheel
hub or if the wheel does not turn
smoothly, have a Yamaha dealer
check the wheel bearings.
EAU40447
BatteryThe battery is located under the seat.
(See page 4-8.)
This model is equipped with a VRLA
(Valve Regulated Lead Acid) battery.
There is no need to check the electro-
lyte or to add distilled water. However,
the battery coupler connection needs
to be checked to make sure that it is
securely connected.
WARNING
EWA10761
 Electrolyte is poisonous an d
d an gerous since it contains sul-
furic aci d, which causes severe
b urns. Avoi d any contact with1. Battery
2. Battery coupler
1
2
U2CJ81E0.book Page 23 Wednesday, July 10, 2013 3:54 PM

PERIODIC MAINTENANCE AND ADJUSTMENT
7-25
7
EAU42025
Replacing the fuseThe fuse is located inside the battery
coupler.
If the fuse is blown, replace it as fol-
lows.
1. Turn the key to “OFF” and turn off all electrical circuits.
2. Remove the seat. (See page 4-8.)
3. Remove the battery cover by re- moving the bolts. 4. Disconnect the battery coupler.
5. Remove the blown fuse, and then
install a new fuse of the specified
amperage. WARNING! Do not
use a fuse of a hi gher ampera ge ratin
g than recommen ded to
avoi d causin g extensive d am-
a g e to the electrical system an d
possi bly a fire.
[EWA15132]
6. Connect the battery coupler.
7. Install the battery cover by install-
ing the bolts.
8. Install the seat.
9. Turn the key to “ON”.
10. If the fuse immediately blows again, have a Yamaha dealer
check the electrical system.
1. Battery coupler
2. Spare fuse
3. Fuse
32
1
1. Bolt
2. Battery
3. Battery cover
1. Battery coupler
1
Specifie d fuse:
10.0 A
U2CJ81E0.book Page 25 Wednesday, July 10, 2013 3:54 PM

PERIODIC MAINTENANCE AND ADJUSTMENT
7-26
7
EAU24351
Supporting the motorcycleSince this model is not equipped with a
centerstand, follow these precautions
when removing the front and rear
wheel or performing other mainte-
nance requiring the motorcycle to
stand upright. Check that the motorcy-
cle is in a stable and level position be-
fore starting any maintenance. A
strong wooden box can be placed un-
der the engine for added stability.
To service the front wheel
1. Stabilize the rear of the motorcy- cle by using a motorcycle stand
or, if an additional motorcycle
stand is not available, by placing a
jack under the frame in front of the
rear wheel.
2. Raise the front wheel off the ground by using a motorcycle
stand.
To service the rear wheel
Raise the rear wheel off the ground by
using a motorcycle stand or, if a motor-
cycle stand is not available, by placing a jack either under each side of the
frame in front of the rear wheel or under
each side of the swingarm.
EAU24361
Front wheel
EAU56361
To remove the front wheel
WARNING
EWA10822
To avoi
d injury, securely support the
vehicle so there is no dan ger of it
fallin g over.1. Remove the front fork leg guard
from each front fork leg by remov-
ing the bolts.1. Front fork leg guard
2. Bolt
U2CJ81E0.book Page 26 Wednesday, July 10, 2013 3:54 PM